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Two sample rule definition
Blood Bank must ensure that there are TWO distinct samples from a patient that have generated the same blood group from both samples before ABO matched components are issued.

7 day sample validity:
If a transfusion is required, then a sample needs to be taken within 7 days prior to the transfusion. Exceptions are pregnant women; recently transfused patient and patients 3 months post solid organ transplant where the 72hour sample validity rule will remain. This is to ensure that that the blood components matched by the laboratory staff is as accurate and as safe as possible for our patients.

Tube

EDTA (Crossmatch)

ID

12702

Availability

Daily (available 24/7)

Additional information

Blood Transfusion Information on ICE

Patient transfusion information will appear in a pink banner on the ICE Reports page

Sample Validitiy on ICE

The 72-hour sample validity rule remains in place for patients who have had a transfusion within the previous 3 months, those who have undergone solid organ transplants within the previous 3 month and pregnant patients.

All other patients will need a sample taken within 7-days prior to the transfusion. Please review sample collection date and time to check sample validity for your patient.

Collection Con

Sample labelling requirements: Samples must include Full Name, DOB, and Hospital Number. Samples must be signed and dated. Samples can be electronically labelled at the bedside using Blood Track Tx system. To obtain access to blood track Tx you must first complete CHS132 competency.
Handwritten samples are also accepted.

Frequency

Daily (available 24/7)

IP Acute TAT

1 hour

IP Routine TAT

3 hours

GP Routine TAT

24-48 hours